Heavy Rain and Flooding Threat in the Central U.S.; Winter Weather in Northern Alaska

Strong thunderstorms and heavy rain may produce flash flooding across the south-central Plains and lower Mississippi Valley today. The North Slope in Alaska will see the potential for wintry weather through today with ice accumulations possible on roadways. Incoming storms will bring long duration rainfall and strong winds to most of Southcentral Alaska through Friday. Read More >

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Overcast

78°F

26°C

Humidity 35%
Wind Speed W 6 mph
Barometer 30.12 in (1019.0 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 28 Aug 3:53 pm EDT
Extended Forecast for

3 Miles WNW Maryville TN

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 56. Northwest wind around 5 mph becoming calm  in the evening.

    Low: 56 °F

    Decreasing
    Clouds

  • Friday

    Friday: Sunny, with a high near 85. Calm wind becoming north around 5 mph.

    High: 85 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 60. Northeast wind around 5 mph becoming calm.

    Low: 60 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 86. Calm wind becoming north around 5 mph in the afternoon.

    High: 86 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 61. Northeast wind around 5 mph.

    Low: 61 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 85. East wind around 5 mph becoming north in the afternoon.

    High: 85 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 62. East wind around 5 mph.

    Low: 62 °F

    Partly Cloudy

  • Labor Day

    Labor Day: A slight chance of showers, then a chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 81. Chance of precipitation is 40%.

    High: 81 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 2am, then a slight chance of showers.  Mostly cloudy, with a low around 62. Chance of precipitation is 30%.

    Low: 62 °F

    Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 56. Northwest wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 85. Calm wind becoming north around 5 mph.
Friday Night
Partly cloudy, with a low around 60. Northeast wind around 5 mph becoming calm.
Saturday
Sunny, with a high near 86. Calm wind becoming north around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 61. Northeast wind around 5 mph.
Sunday
Mostly sunny, with a high near 85. East wind around 5 mph becoming north in the afternoon.
Sunday Night
Partly cloudy, with a low around 62. East wind around 5 mph.
Labor Day
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 81. Chance of precipitation is 40%.
Monday Night
A chance of showers and thunderstorms before 2am, then a slight chance of showers. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 78. Chance of precipitation is 30%.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 62.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 79.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 62.
Thursday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Maryville TN
 35.76°N 84.02°W (Elev. 899 ft)
1:31 pm EDT Aug 28, 2025
4pm EDT Aug 28, 2025-6pm EDT Sep 4, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database